History and function of the lactate receptor GPR81/HCAR1 in the brain: a putative therapeutic target for the treatment of cerebral ischemia

ACM Colucci, IDÁ Tassinari, E da Silveira Loss… - Neuroscience, 2023 - Elsevier
GPR81 is a G-protein coupled receptor (GPCR) discovered in 2001, but deorphanized only
7 years later, when its affinity for lactate as an endogenous ligand was demonstrated. More …

Reactive astrocytes: critical players in the development of chronic pain

J Tang, M Bair, G Descalzi - Frontiers in psychiatry, 2021 - frontiersin.org
Chronic pain is associated with long term plasticity of nociceptive pathways in the central
nervous system. Astrocytes can profoundly affect synaptic function and increasing evidence …

Glycolysis regulates neuronal excitability via lactate receptor, HCA1R

D Skwarzynska, H Sun, J Williamson, I Kasprzak… - Brain, 2023 - academic.oup.com
Repetitively firing neurons during seizures accelerate glycolysis to meet energy demand,
which leads to the accumulation of extracellular glycolytic by-product lactate. Here, we …

Physiology of astroglial excitability

A Verkhratsky, A Semyanov, R Zorec - Function, 2020 - academic.oup.com
Classic physiology divides all neural cells into excitable neurons and nonexcitable
neuroglia. Neuroglial cells, chiefly responsible for homeostasis and defense of the nervous …

[HTML][HTML] Ca2+ as the prime trigger of aerobic glycolysis in astrocytes

A Horvat, M Muhič, T Smolič, E Begić, R Zorec, M Kreft… - Cell Calcium, 2021 - Elsevier
Astroglial aerobic glycolysis, a process during which d-glucose is converted to l-lactate, a
brain fuel and signal, is regulated by the plasmalemmal receptors, including adrenergic …

Lactate as an astroglial signal augmenting aerobic glycolysis and lipid metabolism

A Horvat, R Zorec, N Vardjan - Frontiers in physiology, 2021 - frontiersin.org
Astrocytes, heterogeneous neuroglial cells, contribute to metabolic homeostasis in the brain
by providing energy substrates to neurons. In contrast to predominantly oxidative neurons …

Structure of the GOLD-domain seven-transmembrane helix protein family member TMEM87A

CM Hoel, L Zhang, SG Brohawn - Elife, 2022 - elifesciences.org
TMEM87s are eukaryotic transmembrane proteins with two members (TMEM87A and
TMEM87B) in humans. TMEM87s have proposed roles in protein transport to and from the …

Hydroxycarboxylic acid receptor 1 and neuroprotection in a mouse model of cerebral ischemia-reperfusion

L Buscemi, C Blochet, PJ Magistretti, L Hirt - Frontiers in Physiology, 2021 - frontiersin.org
Lactate is an intriguing molecule with emerging physiological roles in the brain. It has
beneficial effects in animal models of acute brain injuries and traumatic brain injury or …

Hepatic G protein-coupled receptor 180 deficiency ameliorates high fat diet-induced lipid accumulation via the Gi-PKA-SREBP pathway

Y Zhang, Z Zhu, L Sun, W Yin, Y Liang, H Chen, Y Bi… - Nutrients, 2023 - mdpi.com
Single-nucleotide polymorphisms in G protein-coupled receptor 180 (GPR180) are
associated with hypertriglyceridemia. The aim of this study was to determine whether …

Lactate-mediated signaling in the brain—an update

B Vaccari-Cardoso, M Antipina, AG Teschemacher… - Brain Sciences, 2022 - mdpi.com
Lactate is a universal metabolite produced and released by all cells in the body.
Traditionally it was viewed as energy currency that is generated from pyruvate at the end of …